OSTC+, 3, cR, sport, nano and OSTC 2 (Mod. 2015 and later)

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Using Subsurface to update BLE-only OSTC

Last post by heinrichsweikamp « 09 Apr 2026, 10:22

by heinrichsweikamp » 09 Apr 2026, 10:22

0 Replies

307 Views

Last post by heinrichsweikamp
09 Apr 2026, 10:22
hwOS TECH: New Firmware 3.33

Last post by Gepetto « 29 Mar 2026, 06:45
Replies: 28
by heinrichsweikamp » 03 Jan 2026, 15:59
1

2
28 Replies

26523 Views

Last post by Gepetto
29 Mar 2026, 06:45
hwOS Sport: New Firmware 10.92

Last post by heinrichsweikamp « 02 Jan 2026, 19:02

by heinrichsweikamp » 02 Jan 2026, 19:02

0 Replies

1892 Views

Last post by heinrichsweikamp
02 Jan 2026, 19:02
New registered user? Please read.

Last post by heinrichsweikamp « 14 Feb 2024, 10:30

by heinrichsweikamp » 14 Feb 2024, 10:30

0 Replies

47136 Views

Last post by heinrichsweikamp
14 Feb 2024, 10:30
New OSTC Companion 3.2.1

Last post by gordon mackie « 18 Jun 2025, 17:03
Replies: 12
by heinrichsweikamp » 08 Jan 2020, 14:54

12 Replies

79394 Views

Last post by gordon mackie
18 Jun 2025, 17:03
FAQ: Batteries in the OSTC plus

Last post by heinrichsweikamp « 19 Sep 2023, 12:48
Replies: 1
by heinrichsweikamp » 07 May 2019, 17:44

1 Replies

67487 Views

Last post by heinrichsweikamp
19 Sep 2023, 12:48
OSTC Tools for Windows - HWOS Config for Android

Last post by Rob « 10 Apr 2026, 13:20
Replies: 38
by Rob » 03 Aug 2016, 18:35
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2
38 Replies

518910 Views

Last post by Rob
10 Apr 2026, 13:20
Updating OSTC 3, sport, Plus, cR and OSTC 2 - HowTo

Last post by jp01000 « 14 May 2025, 17:58
Replies: 6
by heinrichsweikamp » 02 Feb 2015, 09:56

6 Replies

114763 Views

Last post by jp01000
14 May 2025, 17:58

Topics

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OTSC+ (Sport) schaltet sich nicht ein

Last post by ThK79 « 09 Nov 2023, 15:52
Replies: 4
by ThK79 » 09 Nov 2023, 14:29

4 Replies

41854 Views

Last post by ThK79
09 Nov 2023, 15:52
Deko time at 6m countdown is much longer than shown

Last post by mobln89 « 30 Oct 2023, 13:03
Replies: 4
by mobln89 » 30 Oct 2023, 12:25

4 Replies

55646 Views

Last post by mobln89
30 Oct 2023, 13:03
Firmware 3.20

Last post by Regthing « 13 Oct 2023, 03:34
Replies: 5
by Regthing » 14 Oct 2022, 21:23

5 Replies

39895 Views

Last post by Regthing
13 Oct 2023, 03:34
Understanding bailout values in simulation mode

Last post by mobu « 10 Oct 2023, 17:07
Replies: 2
by mobu » 08 Oct 2023, 12:12

2 Replies

14143 Views

Last post by mobu
10 Oct 2023, 17:07
Safety stop on OSTC 2 firmware 10.75

Last post by heinrichsweikamp « 09 Oct 2023, 16:56
Replies: 3
by jensen.flemming » 08 Oct 2023, 22:57

3 Replies

44402 Views

Last post by heinrichsweikamp
09 Oct 2023, 16:56
OSTC Sport - Unable to connect on Bluetooth for Firmware Upgrade

Last post by gr3yw0lf « 05 Oct 2023, 07:50
Replies: 13
by penangboy » 26 Aug 2023, 12:16

13 Replies

107685 Views

Last post by gr3yw0lf
05 Oct 2023, 07:50
Ostc sport tiefschlaf

Last post by blue2000 « 23 Sep 2023, 11:25
Replies: 2
by blue2000 » 22 Sep 2023, 17:30

2 Replies

11821 Views

Last post by blue2000
23 Sep 2023, 11:25
Frage zur TTS

Last post by Daktari « 22 Sep 2023, 08:05
Replies: 4
by Daktari » 17 Sep 2023, 19:06

4 Replies

37216 Views

Last post by Daktari
22 Sep 2023, 08:05
OSTC PLUS Battery problems

Last post by PeN_ « 20 Sep 2023, 15:08
Replies: 2
by PeN_ » 19 Sep 2023, 18:26

2 Replies

34206 Views

Last post by PeN_
20 Sep 2023, 15:08
Surface pressure compensation

Last post by heinrichsweikamp « 20 Sep 2023, 10:48
Replies: 6
by Berthold » 23 Jan 2023, 15:07

6 Replies

42659 Views

Last post by heinrichsweikamp
20 Sep 2023, 10:48
OSTC 2 2022 vs 2017

Last post by Colja « 30 Aug 2023, 21:24
Replies: 5
by dadefay » 27 Jul 2023, 14:16

5 Replies

17770 Views

Last post by Colja
30 Aug 2023, 21:24
hwos 3.21 bluetooth issue

Last post by Albi « 30 Aug 2023, 12:24

by Albi » 30 Aug 2023, 12:24

0 Replies

104291 Views

Last post by Albi
30 Aug 2023, 12:24
OSTC Sport Dive Mode Switch-on

Last post by TerryEde « 08 Aug 2023, 11:19
Replies: 11
by TerryEde » 27 Jul 2023, 13:34

11 Replies

48878 Views

Last post by TerryEde
08 Aug 2023, 11:19
OSTC2 Hinweis Langsam

Last post by Ralph « 05 Aug 2023, 07:10
Replies: 1
by AlT » 04 Aug 2023, 22:48

1 Replies

10739 Views

Last post by Ralph
05 Aug 2023, 07:10
OSTC Sport noch erhältlich?

Last post by Miame « 30 Jul 2023, 18:14
Replies: 4
by Miame » 29 Jul 2023, 23:23

4 Replies

17111 Views

Last post by Miame
30 Jul 2023, 18:14
OSTC 3 only USB no BT

Last post by dadefay « 27 Jul 2023, 09:26
Replies: 6
by TUC » 16 Jul 2023, 12:49

6 Replies

14609 Views

Last post by dadefay
27 Jul 2023, 09:26
OSTC Sport does not react after inserting a new battery

Last post by Daktari « 24 Jul 2023, 18:09
Replies: 3
by jonas.kiem » 22 Jul 2023, 11:35

3 Replies

7926 Views

Last post by Daktari
24 Jul 2023, 18:09
OSTC Plus Charging Problem

Last post by heinrichsweikamp « 23 Jul 2023, 15:40
Replies: 17
by Nowhereman » 06 Mar 2022, 18:23

17 Replies

50398 Views

Last post by heinrichsweikamp
23 Jul 2023, 15:40
OSTC+ startet nicht mehr

Last post by frogman-x « 19 Jun 2023, 15:30
Replies: 3
by frogman-x » 18 Jun 2023, 18:19

3 Replies

6960 Views

Last post by frogman-x
19 Jun 2023, 15:30
Display dropout during dive.

Last post by TedRob « 12 Jun 2023, 19:05
Replies: 7
by TedRob » 10 Jun 2023, 14:52

7 Replies

8505 Views

Last post by TedRob
12 Jun 2023, 19:05
Blocked ostc plus

Last post by giampad « 09 Jun 2023, 17:21
Replies: 3
by giampad » 09 Jun 2023, 16:41

3 Replies

4494 Views

Last post by giampad
09 Jun 2023, 17:21
OSTC Plus start problem

Last post by heinrichsweikamp « 09 Jun 2023, 16:19
Replies: 2
by rsgazzz » 05 Jun 2023, 15:50

2 Replies

4351 Views

Last post by heinrichsweikamp
09 Jun 2023, 16:19
OSTC 3 USB not recognized on Ubuntu 20.04

Last post by Fabrice « 05 Jun 2023, 22:13
Replies: 3
by Fabrice » 30 Oct 2022, 17:50

3 Replies

8209 Views

Last post by Fabrice
05 Jun 2023, 22:13
OSTC sport update problem

Last post by Hens « 05 Jun 2023, 09:16
Replies: 1
by Hens » 05 Jun 2023, 09:08

1 Replies

2200 Views

Last post by Hens
05 Jun 2023, 09:16
M.Bubbles

Last post by mobu « 02 Jun 2023, 10:33
Replies: 3
by mobu » 01 Jun 2023, 19:48

3 Replies

5982 Views

Last post by mobu
02 Jun 2023, 10:33

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